Grayscale image
Convert every image pixel to a true luminance-based grayscale value.
Processed locally
Drop an image here
or paste from your clipboard
How it works
Convert every image pixel to a true luminance-based grayscale value. Preview and apply a true grayscale transformation.
- Choose a JPG, PNG or WebP image.
- Preview and apply a true grayscale transformation.
- Apply the edit and download the result.
What this edit changes
Convert every image pixel to a true luminance-based grayscale value.
The preview lets you check the result before downloading. Your original stays untouched, and the edited file is created only in browser memory.
Private by design
Your files stay on your device. Processing starts only when you choose an image, and nothing is stored on our servers.
Frequently asked questions
Are my images uploaded?
No. Processing happens locally in your browser, so your image files never leave your device.
Which image formats are supported?
The tool accepts JPG, PNG and WebP images and preserves transparency when the selected output supports it.